OnePlus 15s and Vivo X300 FE could launch soon in India, a tipster has revealed. The specifications of the rumoured handsets have also been leaked online. While the OnePlus 15s is tipped to be powered by a Snapdragon 8 Elite Gen 5 chip, the Vivo X300 FE might be equipped with a Snapdragon 8 Gen 5 SoC, which is set to be launched by Qualcomm on November 26. Moreover, b…